大断面球墨铸件石墨漂浮现象的分析与处理  

Analysis and Processing on Graphite Floatation of Heavy Section Ductile Iron Parts

作　　者：魏家鹏[1] 潘宏歌[1] 

机构地区：[1]辽宁工程技术大学实验实训中心,辽宁阜新123000

出　　处：《热加工工艺》2012年第17期67-68,共2页Hot Working Technology

摘　　要：在浇注大断面球墨铸铁件时,铸件经常出现石墨漂浮现象。通过对石墨漂浮的形成机理的探讨,提出了在实际生产中解决石墨漂浮的办法,有效地提高了大断面球墨铸件的质量。When casting heavy cross-section ductile iron parts, the castings often produce the phenomenon of graphite floatation. By analyzing the formation mechanism of graphite floatation, the efficient solution in the actual production was brought forward. The quality of heavy section ductile iron parts can be effectively improved.

关 键 词：石墨漂浮 石墨 碳当量 冷却速度 

分 类 号：TG255[金属学及工艺—铸造]